tests/unit/test_serial_number.cpp

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#include "test_platform.h"

#include <openthread/config.h>

#include "test_util.h"
#include "common/code_utils.hpp"
#include "common/numeric_limits.hpp"
#include "common/serial_number.hpp"

namespace ot {

template <typename UintType> void TestSerialNumber(const char *aName)
{
    static constexpr UintType kMax = NumericLimits<UintType>::kMax;
    static constexpr UintType kMid = kMax / 2;

    static const UintType kNumbers[] = {0, 1, 20, kMid - 1, kMid, kMid + 1, kMax - 20, kMax - 1, kMax};

    for (UintType number : kNumbers)
    {
        VerifyOrQuit(!SerialNumber::IsGreater<UintType>(number, number));
        VerifyOrQuit(!SerialNumber::IsLess<UintType>(number, number));

        VerifyOrQuit(SerialNumber::IsGreater<UintType>(number + 1, number));
        VerifyOrQuit(SerialNumber::IsGreater<UintType>(number + kMid - 1, number));
        VerifyOrQuit(SerialNumber::IsGreater<UintType>(number + kMid, number));
        VerifyOrQuit(!SerialNumber::IsGreater<UintType>(number + kMid + 2, number));
        VerifyOrQuit(!SerialNumber::IsGreater<UintType>(number + kMax - 1, number));

        VerifyOrQuit(SerialNumber::IsLess<UintType>(number - 1, number));
        VerifyOrQuit(SerialNumber::IsLess<UintType>(number - kMid + 1, number));
        VerifyOrQuit(SerialNumber::IsLess<UintType>(number - kMid, number));
        VerifyOrQuit(!SerialNumber::IsLess<UintType>(number - kMid - 2, number));
        VerifyOrQuit(!SerialNumber::IsLess<UintType>(number - kMax + 1, number));
    }

    printf("TestSerialNumber<%s>() passed\n", aName);
}

} // namespace ot

int main(void)
{
    ot::TestSerialNumber<uint8_t>("uint8_t");
    ot::TestSerialNumber<uint16_t>("uint16_t");
    ot::TestSerialNumber<uint32_t>("uint32_t");
    ot::TestSerialNumber<uint64_t>("uint64_t");
    printf("\nAll tests passed.\n");
    return 0;
}